Security is one of the key social needs. Everyone has right to a secure life. Nevertheless, in spite of technological achievements and results of the 21st century, worldwide problems could not be alleviated. It is the age of crises nowadays, with severe economic consequences. The author – due to the increasing role of economic security and using a modern interpretation of security – intends to present the basic characteristics of crises and crisis situations and the economic components of crises, in addition, too.